#define I2C_BUS           	I2C5

void initI2C(int i2cBus, unsigned frequency);
BOOL transmitByteI2C(int i2cBus, UINT8 data);
char readByteI2C(int i2cBus, int i2cAddress, UINT8 addr);
void writeByteI2C(int i2cBus, int i2cAddress, UINT8 addr, BYTE data);